rhiyajb07
rhiyajb07
23-08-2017
Mathematics
contestada
what is 89+27+11 using a mental math property
Respuesta :
mathmate
mathmate
23-08-2017
Everyone works differently in mental math.
Using the property of commutativity, we can (mentally) rearrange to calculate 89+11 + 27
Since 89+11 is exactly 100, the sum is therefore 100+27=127.
Answer Link
VER TODAS LAS RESPUESTAS ( 62+ )
Otras preguntas
Balance. P2O3+H2O -> H2PO3
Using the fewest coins, how many quarters are there in 88 cents
during which stage of a cells cycle do the replicated chromosome thicken and become visible
Which states' delegates most strongly opposed the Virginia Plan? A.) large states B.) northern states C.) small states D.) southern states slave states
Vegeterians are healthier than people who eat meat fact or opinion explain
there are 3x-2 trees planted in each row of a rectangular parcel of land. If there are a total of 24x-16 trees planted in the parcel, how many rows of trees are
True or false: animals contribute most of the organic remains that form humus
Which statement best characterizes the ideas of John Locke? People are naturally reasonable. People are naturally selfish and violent. Governments create unequa
which atomic particle determines the chemical behavior of an atom the nucleus, neutron, electron, proton or none of these
The by-products of cellular respiration include A) energy and oxygen. B) glucose and oxygen. C) carbon dioxide and water. D) glucose and carbon dioxide.
